- In geometry, a
polyhedron (pl.:
polyhedra or
polyhedrons; from Gr**** πολύ (poly-) 'many' and ἕδρον (-hedron) 'base, seat') is a three-dimensional figure...
- more
specifically in
polyhedral combinatorics, a
Goldberg polyhedron is a
convex polyhedron made from
hexagons and pentagons. They were
first described...
- A
geodesic polyhedron is a
convex polyhedron made from triangles. They
usually have
icosahedral symmetry, such that they have 6
triangles at a vertex...
- In geometry, a Schönhardt
polyhedron is a
polyhedron with the same
combinatorial structure as a
regular octahedron, but with
dihedral angles that are non-convex...
- Szil****i
polyhedron is a
nonconvex polyhedron,
topologically a torus, with
seven hexagonal faces. The 14
vertices and 21
edges of the Szil****i
polyhedron form...
-
uniform star
polyhedron with
Wythoff symbol of the form 3 | p q or 3/2 | p q are ditrigonal, at
least if p and q are not 2. Each
polyhedron includes two...
-
Polyhedron (formerly
Polyhedron Newszine) was a
magazine targeting consumers of role-playing games, and
originally the
official publication of the RPGA...
- In geometry, a
composite polyhedron is a
convex polyhedron that
produces other polyhedrons when
sliced by a plane.
Examples can be
found in
Johnson solids...
- In geometry,
every polyhedron is ****ociated with a
second dual structure,
where the
vertices of one
correspond to the
faces of the other, and the edges...
- dual
polyhedrons generally is that the
polyhedron and its dual
share their three-dimensional
symmetry point group. In this case, the dual
polyhedron of...
